so tricky, president obama is expected to issue few, if any, ultimatums when he speaks in las vegas today. the gang of eight unveiled their first step toward an agreement yesterday. conservatives not happy with it. rejecting it as a form of amnesty. house lawmakers said to be working on a bipartisan plan of their own. white house correspondent brianna keilar looks at the immigration reform avenue solution on president obama's first and second terms. >> reporter: 2011, president obama went to el paso to press for comprehensive immigration reform. >> out of many, we define ourselves as a nation of immigrants. >> reporter: that went nowhere. now in a second term, the president is trying it again, heading to las vegas today to push for border security, a verification system for employers to ensure they hire documented workers with punishment if they don't. and the most significant and controversial part of the president's plan, a pathway to citizenship for undocumented immigrants. it includes registering with the government. undergoing background checks, paying taxes and a penalty, and learni